APA (7th ed.) Citation

Gilbert, W., Galilei, G., & Harvey, W. (1977). On the loadstone and magnetic bodies. Concerning the two new sciences. On the motion of the heart and blood in animals. Encyclopaedia Britannica.

Chicago Style (17th ed.) Citation

Gilbert, William, Galileo Galilei, and William Harvey. On the Loadstone and Magnetic Bodies. Concerning the Two New Sciences. On the Motion of the Heart and Blood in Animals. Chicago: Encyclopaedia Britannica, 1977.

MLA (8th ed.) Citation

Gilbert, William, et al. On the Loadstone and Magnetic Bodies. Concerning the Two New Sciences. On the Motion of the Heart and Blood in Animals. Encyclopaedia Britannica, 1977.